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| 型号： | CS5463-IS |
| 厂商： | Cirrus Logic Inc |
| 文件页数： | 40/46页 |
| 文件大小： | 0K |
| 描述： | IC PWR/ENERGY METER 2CH 24-SSOP |
| 标准包装： | 59 |
| 输入阻抗： | 30 千欧 |
| 测量误差： | 0.1% |
| 电压 - 高输入/输出： | 0.8V |
| 电压 - 低输入/输出： | 0.2V |
| 电流 - 电源： | 2.9mA |
| 电源电压： | 4.75 V ~ 5.25 V |
| 测量仪表类型： | 单相 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 24-SSOP |
| 包装： | 管件 |
| 配用： | 598-1553-ND - BOARD EVAL & SOFTWARE CS5463 ADC |
| 其它名称： | 598-1192-5 |
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CS5463
8. AUTO-BOOT MODE USING E 2 PROM
When the CS5463 MODE pin is asserted (logic 1), the
CS5463 auto-boot mode is enabled. In auto-boot mode,
the CS5463 downloads the required commands and
register data from an external serial E 2 PROM, allowing
the CS5463 to begin performing energy measurements.
8.1 Auto-boot Configuration
A typical auto-boot serial connection between the
CS5463 and a E 2 PROM is illustrated in Figure 17. In au-
to-boot mode, the CS5463’s CS and SCLK are config-
ured as outputs. The CS5463 asserts CS (logic 0),
provides a clock on SCLK, and sends a read command
to the E 2 PROM on SDO. The CS5463 reads the us-
er-specified commands and register data presented on
the SDI pin. The E 2 PROM’s programmed data is utilized
by the CS5463 to change the designated registers’ de-
fault values and begin registering energy.
commands/data will determine the CS5463’s exact op-
eration, when the auto-boot initialization sequence is
running. Any of the valid commands can be used.
8.2 Auto-boot Data for E 2 PROM
Below is an example code set for an auto-boot se-
quence. This code is written into the E 2 PROM by the us-
er. The serial data for such a sequence is shown below
in single-byte hexidecimal notation:
- 64 00 00 60
Write Operation Mode Register, turn high-pass
filters on.
- 44 7F C4 A9
Write value of 0x7FC4A9 to Current Gain
Register.
- 48 FF B2 53
Write value of 0xFFB253 to Voltage Gain
Register.
5K
V D +
EOUT1
EOUT2
CS5463
SCLK
Mech. Counter
or
Stepper Motor
EEPROM
SCK
- 74 00 00 04
Unmask bit #2 (LSD) in the Mask Register.
- E8
Start continuous conversions
- 78 00 01 00
SDI
SO
Write STOP bit to Control Register, to terminate
MODE
SDO
CS
5K
SI
CS
auto-boot initialization sequence.
8.3 Which E 2 PROMs Can Be Used?
Several industry-standard serial E 2 PROMs that will suc-
cessfully run auto-boot with the CS5461A are listed be-
Connector to Calibrator
low:
Figure 17. Typical Interface of E 2 PROM to CS5463
?
?
Atmel AT25010, AT25020 or AT25040
National Semiconductor NM25C040M8 or NM25020M8
Figure 17 also shows the external connections that
would be made to a calibrator device, such as a PC or
custom calibration board. When the metering system is
installed, the calibrator would be used to control calibra-
tion and/or to program user-specified commands and
calibration values into the E 2 PROM. The user-specified
40
? Xicor X25040SI
These types of serial E 2 PROMs expect a specific 8-bit
command (00000011) in order to perform a memory
read. The CS5461A has been hardware programmed to
transmit this 8-bit command to the E 2 PROM at the be-
ginning of the auto-boot sequence.
DS678F3
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CS5463-ISZ | 功能描述:电流和电力监控器、调节器 Single Phase Power/Energy IC RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
| CS5463-ISZ/D | 制造商:Cirrus Logic 功能描述: |
| CS5463-ISZR | 功能描述:电流和电力监控器、调节器 IC Single Phase PWR/Energy RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
| CS5463-ISZR/E2 | 制造商:Cirrus Logic 功能描述: |
| CS5464 | 制造商:CIRRUS 制造商全称:Cirrus Logic 功能描述:Three-channel, Single-phase Power/Energy IC |
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